KR20020030910A - Control method for additing system to exchange - Google Patents

Abstract

PURPOSE: A method for controlling the increase of a system of a public switching system is provided to perform the increase of necessary portions using an operator terminal without system certification and operation by an operator and an analyzer when increasing the system. CONSTITUTION: Local variables are initialized and data inputted from an operator are stored, and it is judged whether the stored input value is within a range(S10-S12). If the stored input value is within the range, it is judged whether a corresponding subsystem exists(S13). If the corresponding subsystem does not exist, a database is changed(S14) and it is judged whether the change of the database succeeds(S15). If the change of the database succeeds, the success is notified to an other subsystem. If an application result is inputted from the other subsystem, the result is notified to the operator(S17-S18).

Description

Controlling System Expansion of Local Exchanges {CONTROL METHOD FOR ADDITING SYSTEM TO EXCHANGE}

The present invention relates to a system expansion control method of a local exchange, and in particular, a system expansion of a local exchange that can be performed by the operator terminal without performing system verification and operation by an operator and an analyst when expanding the system. It relates to a control method.

Conventional national exchanges consist essentially of a subsystem consisting of an access exchange subsystem, an interconnect subsystem, and a central control subsystem, where the access exchange subsystem performs a distributed call processing function and the interconnect subsystem is centralized. The central control subsystem was responsible for the centralization of operation and maintenance.

When a call request from a subscriber and a trunk line occurs, the access switching subsystem decides whether or not to service the service according to the existence of the corresponding resource. Accordingly, the call exchange service performs the call service and requests the translation subsystem to number translation. After translating the number, the called party's access exchange subsystem performs call service related to the called party, and establishes outgoing and incoming call paths through search, connection, etc. in the interconnection subsystem. In order to perform this series of tasks normally, each subsystem is operated according to the equipment and capacity specified.

The expansion method in the case where the capacity of the subsystem having the above function is changed and needs to be expanded will be described with reference to FIG. 1.

1 is a schematic view showing the structure of a conventional system. As shown in FIG. 1, the expansion of the system takes a method of applying a newly manufactured package to the system. First, an operator prepares to back up data in the system. Then save the current system data on disk to storage media. The storage medium is brought to the analysis room to work with data, and the data worker converts the data PLD into data that can be viewed, and then causes the relevant workers to modify the collected data and collects the modified data again. After the collected data is converted into the existing data format (PLD), the converted data is stored in the storage medium, the storage medium is taken to the applied system, the data is dumped, and the entire system is restarted. If the system restart data is normal, the service is provided to the extension part. If the system restart data is not normal, the system is restored to the previous data and restarted, and new data is produced.

However, the conventional technology requires a lot of time to expand the system (data backup → data analysis → data operation → system application → system recovery), lacks reliability, and requires training for the operator. In addition, there was a problem that the service is interrupted during the replacement.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, a method that can be performed to extend the necessary portion using the operator terminal without the system verification and operation by the operator and the analyst when the system expansion. The purpose is to provide.

1 is a schematic view showing the structure of a conventional system.

2 is a flowchart showing a subsystem expansion operation according to the present invention;

3 is a flowchart illustrating an operation of expanding an auxiliary processor according to the present invention;

4 is a flowchart showing a device expansion operation according to the present invention;

In order to achieve the above object, the system expansion control method of the local exchange of the present invention, when the expansion of the subsystem occurs, initializes the locally declared variables, and then changes the database if the subsystem does not exist and operates normally. A subsystem expansion step of performing a predetermined operation for recognizing the corresponding processor according to the change after the execution; When the execution of the subsystem expansion step is completed, the local declared variables are initialized, and if the corresponding subsystem does not exist and performs a normal operation, after performing a predetermined database change operation, an auxiliary operation is performed. Processor expansion step; After the execution of the auxiliary process expansion step is completed, initialize the locally declared variables, and if the normal operation does not exceed the device expansion capacity, after performing a predetermined expansion procedure, after changing the database accordingly Characterized in that the device expansion step of performing the operation by the change.

Hereinafter, an embodiment according to the present invention will be described in detail with reference to the accompanying drawings.

The extension function process applying the present invention resides in the above-described subsystems (central control subsystem, access exchange subsystem and interconnect subsystem), and the overall control is controlled by a process in the central control subsystem, The extension process in other subsystems performs a secondary role, and each processor associated with the extension function processor is controlled by the extension function processor of each subsystem.

2 is a flowchart illustrating an operation of expanding a subsystem according to the present invention, after initializing locally declared variables, storing data input from an operator, and determining whether a stored input value is within a range; S10 to S12, if it is within the determination result range, it is determined whether the corresponding subsystem exists (S13). If the determination result does not exist (S13), after changing the database (S14), it is determined whether the database change was successful. If it is determined (S15), if the result of the determination of step 15 is successful, it notifies the other subsystem to be IPC, and requests to apply the system extension.If the change fails, it is restored to the original state. do.

After that, if the application result is input from another subsystem, the result is notified to the operator and ends (S17-1 to S18).

After the expansion operation is completed, when the power is supplied to the expansion subsystem, the loading proceeds, and the processor is operated by this loading, but since it does not have a real empty database, it cannot be serviced. Expansion operations of the coprocessor and the device must be performed in sequence.

3 is a flowchart illustrating an operation of expanding an auxiliary processor according to the present invention. As shown in FIG. 2, the auxiliary processor board exists and is normal if the corresponding subsystem exists as a result of the same operation as the subsystem expansion operation shown in FIG. 2. If it is normal (S20), and if this determination result exists and is normal, it is determined again whether the expansion is reasonable (S21). If the determination result of step S21 is valid, after changing the database, it is determined whether the database change is successful. (S22). If the determination result of the step (S22) is successful, it requests the change subsystem to apply the extension data, and at the same time transmits the previously stored process ID (ID), the processor associated with the expansion in each subsystem in advance own process ID If the data is requested to be stored by the stored process ID, the corresponding system changes the local data (S24 to S24-4).

After the execution of the step (S24-4) is completed, if the application result is input from the change subsystem, the result is notified to the operator and ends (S25).

4 is a flowchart illustrating a device expansion operation according to the present invention. As shown in FIG. 4, the same operation as the coprocessor expansion operation shown in FIG. 3 is performed (S10 to S12). If the capacity of the subscriber is up to 16 boards and more than 16 are required, the expansion function is stopped.) It is determined whether the corresponding subsystem exists and is normal (S13). It is determined again whether the processor exists (S30). If the determination result of the step (S30) exists, it is determined whether the expansion is justified (S31). If the determination result is correct, the database is changed, and if the database change is successful (S32 to S33), if the determination result is successful, the change subsystem In addition to requesting the application of extended data for each block, and transmitting a process ID (ID) related to each previously stored device, the system changes local data (S34 to S34-4). After the execution is completed, if the application result is input from the change subsystem, the result is notified to the operator and ends (S35).

After all the above tasks are completed, the basic task is completed and the service is automatically provided when the operator performs the data task (subscriber, trunk line data task, etc.) that was previously performed.

As described above, the system expansion control method of the local exchange of the present invention takes less time to expand the system by automating the expansion operation according to a control program, minimizes call interruption due to the expansion, and cannot be expanded for each subsystem. In addition, by providing the non-expansion part due to the service to prevent data inconsistency in advance, it guarantees the stability of the expansion part and also prevents the loss caused by the free change and the input of new manpower. .

Claims (4)

If a subsystem expansion occurs, initialize the locally declared variables, and if the subsystem does not exist and operates normally, perform a database change, and then perform a predetermined operation to recognize the processor according to the change. A subsystem expansion step of performing; When the execution of the subsystem expansion step is completed, the local declared variables are initialized, and if the corresponding subsystem does not exist and performs a normal operation, after performing a predetermined database change operation, an auxiliary operation is performed. Processor expansion step; After the execution of the auxiliary process expansion step is completed, initialize the locally declared variables, and if the normal operation does not exceed the device expansion capacity, after performing a predetermined expansion procedure, after changing the database accordingly A system expansion control method for a local exchange comprising a device expansion step of performing an operation by the change. The method of claim 1, wherein the expanding of the subsystem comprises: a first step of initializing locally declared variables and storing data input from an operator; A second step of determining whether a stored input value is within a range after performing the first step; A third step of determining whether a corresponding subsystem exists if it is within a range of the determination result of the second step; A fourth step of determining whether the database change was successful after changing the database if the determination result of the third step does not exist; If the determination result of the fourth step is successful, it notifies the other subsystem to be IPC, requests the system extension application, and if the application result is input from the other subsystem, informs the operator of the result and ends. System expansion control method of the local exchange, characterized in that consisting of a fifth step. The method of claim 1, wherein the coprocessor expansion step includes: a first step of initializing locally declared variables and storing data input from an operator; A second step of determining whether a stored input value is within a range after performing the first step; A third step of determining whether a corresponding subsystem exists if it is within a range of the determination result of the second step; A fourth step of determining whether the auxiliary process board exists and is normal if the determination result of the third step exists; A fifth step of judging whether the expansion is justified if the result of the determination of the fourth step exists and is normal; A sixth step of determining whether the database change was successful after changing the database if the determination result of the fifth step is valid; A seventh step of, if the determination result of the sixth step succeeds, requesting application of extension data to the change subsystem and transmitting previously stored process IDs; And an eighth step of notifying the operator of the result when the application result is input from the change subsystem after completion of the seventh step. The method of claim 1, wherein the device expansion step comprises: a first step of initializing locally declared variables and storing data input from an operator; A second step of determining whether a stored input value is within a range after performing the first step; A third step of determining whether the corresponding subsystem exists and is normal if it is within the range of the determination result of the second step; A fourth step of determining whether an equipment control processor exists if the determination result of the third step exists and is normal; A fifth step of determining whether extension is appropriate if the determination result of the fourth step is present; A sixth step of determining whether the database change was successful after changing the database if the determination result of the fifth step is valid; A seventh step of, if the determination result of the sixth step is successful, requesting application of extended data for each block to the change subsystem and transmitting process IDs related to the previously stored devices; And an eighth step of notifying the operator of the result when the application result is input from the change subsystem after completion of the seventh step.